Heart Attack: How to Prevent is a practical and life-saving guide designed to help every reader protect their heart through simple, science-based habits. Written by Wing Commander M. K. Devidasan, an engineer and Air Force veteran, the book blends medical understanding with decades of real-life observation to explain how heart disease develops silently - and how it can be stopped long before symptoms appear.The book covers all major risk factors such as high BP, cholesterol, diabetes, stress, poor sleep, smoking, long sitting, and unhealthy diet. It explains early warning signs, the difference between a heart attack and cardiac arrest, and the life-saving steps to take during the Golden Hour. Essential tests like ECG, Echo, TMT, Lipid Profile, and CT Angio are simplified for easy understanding.Readers are guided through heart-healthy diet plans, safe exercises, yoga, breathing routines, hydration, sleep improvement, and emotional balance. A 21-Day Heart Reset and a 12-Month Protection Plan help convert knowledge into lifelong habits.This book is a complete heart-protection manual for professionals, seniors, homemakers, and anyone who wants a strong, safe, and healthy life.